In short
- CVE-2023-47126 is a MEDIUM (CVSS 5.3) vulnerability affecting typo3/cms-install, typo3 (typo3).
- Chance of exploitation in the next 30 days (EPSS): 0.66%, higher than 51.6% of all vulnerabilities.
- Fix: update to 12.4.8 or later.
| Package | Affected versions | Patched versions |
|---|
| typo3/cms-install Packagist | ≥ 12.2.0, < 12.4.8
| 12.4.8
|
| typo3 | ≥ 12.2.0, < 12.4.8
| 12.4.8
|
Description
CVSS: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C (3.5)
Problem
The login screen of the standalone install tool discloses the full path of the transient data directory (e.g. /var/www/html/var/transient/). This applies to composer-based scenarios only - “classic” non-composer installations are not affected.
Solution
Update to TYPO3 version 12.4.8 that fixes the problem described above.
Credits
Thanks to Markus Klein who reported and fixed the issue.
References
NVD description
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions the login screen of the standalone install tool discloses the full path of the transient data directory (e.g. /var/www/html/var/transient/). This applies to composer-based scenarios only - “classic” non-composer installations are not affected. This issue has been addressed in version 12.4.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.
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